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no option <code>
Function: Sets the network parameter specified by the option code; the ―no option
<code>―command cancels the setting for option.
Parameters: <code> is the code for network parameters; <string> is the ASCII string up
to 255 characters; <hex> is a value in Hex that is no greater than 510 and must be of even
length; <ipaddress> is the IP address in decimal format, up to 63 IP addresses can be
configured.
Command Mode: DHCP Address Pool Mode
Default: None
Usage Guide: The switch provides common commands for network parameter
configuration as well as various commands useful in network configuration to meet
different user needs. The definition of option code is described in detail in RFC2123.
Example: Setting the WWW server address as 10.1.128.240.
Switch(dhcp-1-config)#option 72 ip 10.1.128.240
15.1.25 service dhcp
Command: service dhcp
no service dhcp
Function: Enables DHCP server; the ―no service dhcp‖ command disables the DHCP
service.
Parameters: None
Default: DHCP service is disabled by default.
Command mode: Global Mode
Usage Guide: Both DHCP server and DHCP relay are included in the DHCP service.
When DHCP services are enabled, both DHCP server and DHCP relay are enabled.
Switch can only assign IP address for the DHCP clients and enable DHCP relay when
DHCP server function is enabled.
Example: Enabling DHCP server.
Switch(config)#service dhcp
15.1.26 show ip dhcp binding
Command: show ip dhcp binding [[<ip-addr>] [type {all | manual | dynamic}]
[count] ]
Function: Displays IP-MAC binding information.
Parameters: <ip-addr> is a specified IP address in decimal format; all stands for all
binding types (manual binding and dynamic assignment); manual for manual binding;